diff --git a/pkgs/by-name/ma/matrix-brandy/no-lrt.patch b/pkgs/by-name/ma/matrix-brandy/no-lrt.patch
new file mode 100644
index 000000000000..7f42553852a9
--- /dev/null
+++ b/pkgs/by-name/ma/matrix-brandy/no-lrt.patch
@@ -0,0 +1,13 @@
+diff --git a/makefile b/makefile
+index d89cee1..37c1ac5 100644
+--- a/makefile
++++ b/makefile
+@@ -13,7 +13,7 @@ CFLAGS = -O3 -fPIE $(shell sdl-config --cflags) -DUSE_SDL -DDEFAULT_IGNORE -Wall
+ 
+ LDFLAGS +=
+ 
+-LIBS = -lm $(shell sdl-config --libs) -ldl -pthread -lrt -lX11
++LIBS = -lm $(shell sdl-config --libs) -ldl -pthread -lX11
+ 
+ SRCDIR = src
+ 
diff --git a/pkgs/by-name/ma/matrix-brandy/package.nix b/pkgs/by-name/ma/matrix-brandy/package.nix
index bf9d518783c3..2adc72a2e897 100644
--- a/pkgs/by-name/ma/matrix-brandy/package.nix
+++ b/pkgs/by-name/ma/matrix-brandy/package.nix
@@ -3,20 +3,28 @@
   stdenv,
   fetchFromGitHub,
   libX11,
+  nix-update-script,
   SDL,
 }:
 
 stdenv.mkDerivation rec {
   pname = "matrix-brandy";
-  version = "1.23.3";
+  version = "1.23.5";
 
   src = fetchFromGitHub {
     owner = "stardot";
     repo = "MatrixBrandy";
     rev = "V${version}";
-    hash = "sha256-jw5SxCQ2flvCjO/JO3BHpnpt31wBsBxDkVH7uwVxTS0=";
+    hash = "sha256-sMgYgV4/vV1x5xSICXRpW6K8uCdVlJrS7iEg6XzQRo8=";
   };
 
+  patches = lib.optionals stdenv.isDarwin [ ./no-lrt.patch ];
+
+  makeFlags = lib.optionals stdenv.isDarwin [
+    "CC=cc"
+    "LD=clang"
+  ];
+
   buildInputs = [
     libX11
     SDL
@@ -27,12 +35,14 @@ stdenv.mkDerivation rec {
     cp brandy $out/bin
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = with lib; {
     homepage = "http://brandy.matrixnetwork.co.uk/";
     description = "Matrix Brandy BASIC VI for Linux, Windows, MacOSX";
     mainProgram = "brandy";
     license = licenses.gpl2Plus;
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     maintainers = with maintainers; [ fiq ];
   };
 }